Axispharm provides you with high purity 10-(tert-Butoxy)-10-oxodecanoic acid NHS ester which is composed of tert-butyl ester group and NHS ester. The tert-butyl group can be deprotected under acidic conditions. NHS esters can react specifically and efficiently with primary amines such as the side chains of lysine residues or aminosilane-coated surfaces to form covalent bonds under neutral or slightly basic conditions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.